134 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright 2002 Red Hat Inc., Durham, North Carolina.
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 *
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation on the rights to use, copy, modify, merge,
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 * publish, distribute, sublicense, and/or sell copies of the Software,
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 * and to permit persons to whom the Software is furnished to do so,
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 * subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial
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 * portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 */
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/*
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 * Authors:
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 *   Rickard E. (Rik) Faith <faith@redhat.com>
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 *
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 */
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/** \file
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 *
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 * This code implements a low-level device driver for a USB mouse. */
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include "usb-private.h"
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/*****************************************************************************/
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/* Define some macros to make it easier to move this file to another
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 * part of the Xserver tree.  All calls to the dmx* layer are #defined
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 * here for the .c file.  The .h file will also have to be edited. */
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#include "usb-mouse.h"
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#define GETPRIV       myPrivate *priv                            \
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                      = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
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#define LOG0(f)       dmxLog(dmxDebug,f)
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#define LOG1(f,a)     dmxLog(dmxDebug,f,a)
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#define LOG2(f,a,b)   dmxLog(dmxDebug,f,a,b)
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#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
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#define FATAL0(f)     dmxLog(dmxFatal,f)
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#define FATAL1(f,a)   dmxLog(dmxFatal,f,a)
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#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)
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#define MOTIONPROC    dmxMotionProcPtr
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#define ENQUEUEPROC   dmxEnqueueProcPtr
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#define CHECKPROC     dmxCheckSpecialProcPtr
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#define BLOCK         DMXBlockType
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/* End of interface definitions. */
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/*****************************************************************************/
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/** Read the USB device using #usbRead. */
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void
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mouUSBRead(DevicePtr pDev,
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           MOTIONPROC motion,
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           ENQUEUEPROC enqueue, CHECKPROC checkspecial, BLOCK block)
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{
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    usbRead(pDev, motion, enqueue, BTN_MISC, block);
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}
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/** Initialize \a pDev using #usbInit. */
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void
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mouUSBInit(DevicePtr pDev)
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{
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    usbInit(pDev, usbMouse);
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}
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/** Turn \a pDev on (i.e., take input from \a pDev). */
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int
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mouUSBOn(DevicePtr pDev)
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{
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    GETPRIV;
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    if (priv->fd < 0)
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        mouUSBInit(pDev);
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    return priv->fd;
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}
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static void
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mouUSBGetMap(DevicePtr pDev, unsigned char *map, int *nButtons)
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{
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    int i;
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    if (nButtons)
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        *nButtons = 5;
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    if (map)
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        for (i = 0; i <= *nButtons; i++)
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            map[i] = i;
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}
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/** Fill the \a info structure with information needed to initialize \a
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 * pDev. */
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void
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mouUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
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{
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    static KeySym keyboard_mapping = NoSymbol;
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    info->buttonClass = 1;
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    mouUSBGetMap(pDev, info->map, &info->numButtons);
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    info->valuatorClass = 1;
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    info->numRelAxes = 2;
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    info->minval[0] = 0;
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    info->maxval[0] = 0;
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    info->res[0] = 1;
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    info->minres[0] = 0;
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    info->maxres[0] = 1;
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    info->ptrFeedbackClass = 1;
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    /* Some USB mice devices return key
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     * events from their pair'd
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     * keyboard...  */
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    info->keyClass = 1;
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    info->keySyms.minKeyCode = 8;
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    info->keySyms.maxKeyCode = 8;
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    info->keySyms.mapWidth = 1;
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    info->keySyms.map = &keyboard_mapping;
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}
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